Initial commit - BTC Trading Dashboard

- FastAPI backend with PostgreSQL database connection
- Frontend dashboard with lightweight-charts
- Technical indicators (SMA, EMA, RSI, MACD, Bollinger Bands, etc.)
- Trading strategy simulation and backtesting
- Database connection to NAS at 20.20.20.20:5433
- Development server setup and documentation

src/TV/HTS.pine

@@ -0,0 +1,86 @@
+//@version=5
+indicator(title='HTS p1otek (Fixed)', overlay=true )
+
+// Helper function to return the correct timeframe string for request.security
+// Note: We let Pine Script infer the return type to avoid syntax errors
+getAutoTFString(chartTFInMinutes) =>
+    float autoTFMinutes = chartTFInMinutes / 4.0
+    
+    // Use an existing time resolution string if possible (D, W, M)
+    if timeframe.isdaily
+        // 'D' timeframe is 1440 minutes. 1440 / 4 = 360 minutes (6 hours)
+        // We return "360" which Pine Script accepts as a resolution
+        str.tostring(math.round(autoTFMinutes))
+    else if timeframe.isweekly or timeframe.ismonthly
+        // Cannot divide W or M timeframes reliably, return current timeframe string
+        timeframe.period
+    else
+        // For standard minute timeframes, use the calculated minutes
+        str.tostring(math.round(autoTFMinutes))
+
+// Inputs
+// FIXED: Changed input.integer to input.int
+short = input.int(33, "fast")
+long  = input.int(144, "slow")
+auto  = input.bool(false, title = "auto HTS (timeframe/4)")
+draw_1h = input.bool(false, title = "draw 1h slow HTS")
+
+metoda = input.string(title = "type average", defval = "RMA", options=["RMA", "EMA", "SMA", "WMA", "VWMA"])
+
+// Calculate chart TF in minutes
+float chartTFInMinutes = timeframe.in_seconds() / 60
+// Get the auto-calculated timeframe string
+string autoTFString = getAutoTFString(chartTFInMinutes)
+
+
+srednia(src, length, type) =>
+    switch type
+        "RMA" => ta.rma(src, length)
+        "EMA" => ta.ema(src, length)
+        "SMA" => ta.sma(src, length)
+        "WMA" => ta.wma(src, length)
+        "VWMA" => ta.vwma(src, length)
+
+// === Non-Auto (Current Timeframe) Calculations ===
+string currentTFString = timeframe.period
+
+shortl = request.security(syminfo.tickerid, currentTFString, srednia(low, short, metoda)) 
+shorth = request.security(syminfo.tickerid, currentTFString, srednia(high, short, metoda))
+longl = request.security(syminfo.tickerid, currentTFString, srednia(low, long, metoda))
+longh = request.security(syminfo.tickerid, currentTFString, srednia(high, long, metoda))
+
+// === Auto Timeframe Calculations ===
+shortl_auto = request.security(syminfo.tickerid, autoTFString, srednia(low, short, metoda))
+shorth_auto = request.security(syminfo.tickerid, autoTFString, srednia(high, short, metoda))
+longl_auto = request.security(syminfo.tickerid, autoTFString, srednia(low, long, metoda))
+longh_auto = request.security(syminfo.tickerid, autoTFString, srednia(high, long, metoda))
+
+// === 1H Timeframe Calculations ===
+// Use a fixed '60' for 1 hour
+longl_1h = request.security(syminfo.tickerid, "60", srednia(low, long, metoda))
+longh_1h = request.security(syminfo.tickerid, "60", srednia(high, long, metoda))
+
+
+// === Plotting ===
+
+// Auto HTS
+plot(auto ? shortl_auto:  na, color=color.new(color.aqua, 0), linewidth=1, title="fast low auto")
+plot(auto ? shorth_auto: na, color=color.new(color.aqua, 0), linewidth=1, title="fast high auto")
+plot(auto ? longl_auto: na, color=color.new(color.red, 0), linewidth=1, title="slow low auto")
+plot(auto ? longh_auto: na, color=color.new(color.red, 0),  linewidth=1, title="slow high auto")
+
+// Current TF (only when Auto is enabled, for reference)
+ll = plot(  auto ? longl: na, color=color.new(color.red, 80), linewidth=1, title="current slow low")
+oo = plot(  auto ? longh: na, color=color.new(color.red, 80), linewidth=1, title="current slow high")
+fill(ll,oo, color=color.new(color.red, 90))
+
+// 1H Zone
+zone_1hl = plot(  draw_1h ? longl_1h: na, color=color.new(color.red, 80), linewidth=1, title="1h slow low")
+zone_1hh = plot(  draw_1h ? longh_1h: na, color=color.new(color.red, 80), linewidth=1, title="1h slow high")
+fill(zone_1hl,zone_1hh, color=color.new(color.red, 90))
+
+// Non-Auto HTS
+plot(not auto ? shortl: na,  color=color.new(color.aqua, 0), linewidth=1, title="fast low")
+plot(not auto ? shorth: na, color=color.new(color.aqua, 0), linewidth=1, title="fast high")
+plot(not auto ? longl: na, color=color.new(color.red, 0), linewidth=1, title="slow low")
+plot(not auto ? longh: na, color=color.new(color.red, 0), linewidth=1, title="slow high")